Each spell you cast that's red or green costs less to cast.
Illustrated by Joe Slucher · Jumpstart: Historic Horizons · #693
2021-06-18A spell that's both red and green costs {1} less to cast.
Dragon spells you cast cost less to cast.
Giant spells you cast cost less to cast.
Red spells and white spells you cast cost less to cast.
Treefolk spells and Shaman spells you cast cost less to cast.
First strike
Black spells and green spells you cast cost less to cast.